686884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:315

約数の個数: 24

約数和(自身を含む): 1336608

約数和(自身を除く): 649724

約数列:

[1, 2, 4, 11, 22, 44, 67, 134, 233, 268, 466, 737, 932, 1474, 2563, 2948, 5126, 10252, 15611, 31222, 62444, 171721, 343442, 686884]

約数ペア:

[(1, 686884), (2, 343442), (4, 171721), (11, 62444), (22, 31222), (44, 15611), (67, 10252), (134, 5126), (233, 2948), (268, 2563), (466, 1474), (737, 932)]